# SDR ASAA2024110553682

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2024
- Submitted: November 8, 2024
- Operation: Air carrier
- Aircraft: [N224AK](https://openairdocs.org/aircraft/N224AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 62680
- Aircraft time: 29,644 hours, 9,718 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71702001
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2024110553682

## Discrepancy

EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1676 ARE INOP. GROUNDED - YES. TROUBLESHOT AND FOUND BAD POWER SUPPLY IAW ASA B737-900 FIM 33-50-00. REMOVED AND REPLACED POWER SUPPLY M1676 S/N 150401 AND OPS CHECK GOOD IAW AMM 33-51-06.

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